B^2+13=31

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Solution for B^2+13=31 equation: 


Simplifying
B2 + 13 = 31

Reorder the terms:
13 + B2 = 31

Solving
13 + B2 = 31

Solving for variable 'B'.

Move all terms containing B to the left, all other terms to the right.

Add '-13' to each side of the equation.
13 + -13 + B2 = 31 + -13

Combine like terms: 13 + -13 = 0
0 + B2 = 31 + -13
B2 = 31 + -13

Combine like terms: 31 + -13 = 18
B2 = 18

Simplifying
B2 = 18

Take the square root of each side:
B = {-4.242640687, 4.242640687}

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